Marine Instruments User Manual
16
Retrotec Energy Innovations, Ltd.
DM-2A Mark II 2008-02-22
4.  Press the enteR,   (Left), and/or   (Right) keypad buttons to view the Enable/Disable 
Modes screen. In this screen, you can enable or disable measurement modes select 
the units of measurement for that mode. Available modes are: Pressure, Flow, EfLA, 
EqLA, Air Changes, Flow per Area, EqLA per Area, Velocity and Velocity Flow.
Each mode has the following configuration options:
• Enable/Disable  Setting the mode’s units to Off will disable that 
parameter from being displayed when the Mode keypad button is 
pressed during normal operation of the gauge. For example, to disable 
EfLA from being displayed, set it to Off.
• Change Units  All modes support a variety of units of measurement. 
Selecting any unit of measurement will enable the parameter and will 
display that parameter in the selected units.
• Define a Fixed-@-Pressure  A unique fixed-@-pressure can be defined 
for almost any parameter. For example, you can enable Flow@50Pa and 
EfLA@4Pa to be displayed, simply by defining 50 and 4 as the @ pressures 
for Flow and EfLA respectively.
5.  Use the   (Up) and/or   (Down) keypad buttons to navigate the available menu 
selections. Menu options differ depending on the mode you wish to change. For 
example, some modes offer options while others require values to be entered. 
6.  Press the enteR,   (Up) and/or   (Down) keypad buttons to cycle through the 
options available to select modes. 
7.  Press Enter to change value-based options. A value range will typically be displayed 
to indicate the available values.
8.  Enter your new value using the numeric keypad functions. Once you have entered 
the correct value, press the enteR keypad button to apply the change. The new value 
will be displayed beside the option.
9.  Press the enteR keypad button to access the options for a selected menu item.
10. Once you applied and/or reviewed your new settings, press the exit keypad 
button to return to the main Setup menu and again to return to the main 
operational screen.
DM-2A Mark II Dual-Channel Pressure Gauge User Manual
2: Working with the Setup Screen










